//
//  UserAccount.swift
//  01- 搭建框架
//
//  Created by apple on 15/10/17.
//  Copyright © 2015年 任伟. All rights reserved.
//

import UIKit

/// 用户账户模型
class UserAccount: NSObject,NSCoding {
    
    /// 用于调用access_token，接口获取授权后的access token
    var access_token: String?
    /// access_token的生命周期，单位是秒数
    var expires_in: NSTimeInterval = 0 {
        didSet {
            // 计算过期日期
            expiresDate = NSDate(timeIntervalSinceNow: expires_in)
        }
    }
    
    /// 过期日期
    var expiresDate: NSDate?
    /// 当前授权用户的UID
    var uid: String?
    ///用户昵称
    var screen_name: String?
    ///用户头像地址（大图），180×180像素
    var avatar_large: String?
    init(dict: [String: AnyObject]) {
        super.init()
        
        setValuesForKeysWithDictionary(dict)
    }

    override func setValue(value: AnyObject?, forUndefinedKey key: String)
    {}
    
    override var description: String {
    
        let keys = ["access_token", "expires_in", "expiresDate", "uid", "screen_name", "avatar_large"]
        
        return dictionaryWithValuesForKeys(keys).description
    }
    
    ///MARK: -保存当前的对象到沙盒
    func saveUserAccount() {
        var path = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last!
    
        path = (path as NSString).stringByAppendingPathComponent("account.plist")
        
        print(path)
        
        NSKeyedArchiver.archiveRootObject(self, toFile: path)
    }
    
    /// MARK: -归档接档
    //归档
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeObject(expiresDate, forKey: "expiresDate")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(screen_name, forKey: "screen_name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
    }
    
    //接档
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expiresDate = aDecoder.decodeObjectForKey("expiresDate") as? NSDate
        uid = aDecoder.decodeObjectForKey("uid") as? String
        screen_name = aDecoder.decodeObjectForKey("screen_name") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
        }
}
